package com.twq.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpSession;

    @Controller
    public class LoginController {
        @RequestMapping("/user/login")
        public String login(@RequestParam("username") String username,
                            @RequestParam("password") String password,
                            Model model, HttpSession session){

            //具体的业务
            if (!StringUtils.isEmpty(username) && "123456".equals(password)){
                session.setAttribute("loginUser",username);
                return "redirect:/main.html";
            }else {
                //告知用户登录失败
                model.addAttribute("msg","用户名或者密码错误!");
                return "index";
            }

        }

        @RequestMapping("/a")
        public String aaa(){
            return "404";
        }

    }
